Fix gtp output format for kata-benchmark

Tweak compile instructions

Bump version to 1.9.1

Bump version to 1.9.0

Update version to 1.8.2

Update version to 1.8.1

Bump version to v1.8

Document new gtp config option

efa3fa6de3b883fa1b47215b62a1394c911d26b3f961487b87a8ef254b9b75c5

Fix up configs